fat jars incorrectly shade kotlin-reflect

[bioball]

The shaded kotlin reflect API tries to load a resource at the wrong path, causing:

java.lang.IllegalStateException: Resource not found in classpath: kotlin/kotlin.kotlin_builtins
	at org.pkl.thirdparty.kotlin.reflect.jvm.internal.impl.serialization.deserialization.builtins.BuiltInsLoaderImpl.createBuiltInPackageFragmentProvider(BuiltInsLoaderImpl.kt:59)
	at org.pkl.thirdparty.kotlin.reflect.jvm.internal.impl.serialization.deserialization.builtins.BuiltInsLoaderImpl.createPackageFragmentProvider(BuiltInsLoaderImpl.kt:35)
	at org.pkl.thirdparty.kotlin.reflect.jvm.internal.impl.builtins.KotlinBuiltIns.createBuiltInsModule(KotlinBuiltIns.java:105)
	at org.pkl.thirdparty.kotlin.reflect.jvm.internal.impl.builtins.DefaultBuiltIns.<init>(DefaultBuiltIns.kt:24)
	at org.pkl.thirdparty.kotlin.reflect.jvm.internal.impl.builtins.DefaultBuiltIns.<init>(DefaultBuiltIns.kt:21)
	at org.pkl.thirdparty.kotlin.reflect.jvm.internal.impl.builtins.DefaultBuiltIns.<clinit>(DefaultBuiltIns.kt:31)